module.exports = app => {
    const mongoose = app.mongoose;
    const Schema = mongoose.Schema;

    var d=new Date();   
    const GoodsImageSchema = new Schema({
        goods_id: {type:Schema.Types.ObjectId },  
        img_url: { type: String  },    
        color_id:{
            type:Schema.Types.Mixed,  //混合类型
            default: ''
        },
        status: { type: Number,default:1  },
        add_time: {           
            type:Number,        
            default: d.getTime()    
        }
     
    });
   
    return mongoose.model('GoodsImage', GoodsImageSchema,'goods_image');
}